Application of a comprehensive R&D concept to improve long-term creep behaviour of martensitic 9-12% Cr steels

Horst-Hannes Cerjak*, Ivan Holzer, Peter Mayr, Cornelia Pein, Bernhard Sonderegger, Ernst Kozeschnik

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The research activities on modern martensitic 9-12% Cr steels for the application in environmentally friendly power plants at the Institute for Materials Science, Welding and Forming (IWS) are represented by numerous interacting projects. Focusing on mechanical properties of base and weld metal, microstructural characterisation of creep and damage kinetics, weldability, microstructure analysis in the course of creep, modelling of precipitation and coarsening kinetics, simulation of complex heat treatments and the deformation behaviour under creep loading, a comprehensive picture of the material behaviour can be drawn. The individual projects are briefly described and the conceptual approach towards a quantitative description of the creep behaviour of 9-12% Cr steels is outlined.

Original languageEnglish
Title of host publicationAdvances in Materials Technology for Fossil Power Plants - Proceedings from the 5th International Conference
Pages627-644
Number of pages18
DOIs
Publication statusPublished - 2008
Event5th International Conference on Advances in Materials Technology for Fossil Power Plants - Marco Island, FL, United States
Duration: 3 Oct 20075 Oct 2007

Conference

Conference5th International Conference on Advances in Materials Technology for Fossil Power Plants
CountryUnited States
CityMarco Island, FL
Period3/10/075/10/07

Keywords

  • 9-12% chromium steels
  • Creep strength
  • Microscopy
  • Microstructure
  • Modelling
  • Simulation

ASJC Scopus subject areas

  • Energy Engineering and Power Technology

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